The On-Line Encyclopedia of Integer Sequences (OEIS)

The OEIS is supported by the many generous donors to the OEIS Foundation.

Revision History for A123284

(Bold, blue-underlined text is an addition; faded, red-underlined text is a ~~deletion~~.)
Showing entries 1-10 | older changes

A123284

Number of polyhexes with 24 hexagons, C_(2v) symmetry and containing n carbon atoms.
(history; published version)

#15 by Jon E. Schoenfield at Mon Aug 10 00:00:23 EDT 2015

STATUS

editing

approved

#14 by Jon E. Schoenfield at Mon Aug 10 00:00:18 EDT 2015

EXTENSIONS

Series corrected a(97)=0 and a(98)= 966300; keyword 'fini' by Markus Voege, Jan 23 2014

#13 by Jon E. Schoenfield at Mon Aug 10 00:00:10 EDT 2015

COMMENTS

a(98) = 966300 is the last non-zero nonzero term. Sum(a(n)) = 12574028 = A120991(24). - Markus Voege, Jan 23 2014

STATUS

approved

editing

#12 by T. D. Noe at Tue Jan 28 18:15:56 EST 2014

STATUS

editing

approved

#11 by T. D. Noe at Tue Jan 28 18:15:53 EST 2014

COMMENTS

a(98) = 966300 is the last non-zero term. Sum(a(n)) = 12574028 = A120991(24). - _Markus Voege_, Jan 23 2014

Sum(a(n)) = 12574028 = A120991(24)

EXTENSIONS

Series corrected a(97)=0 and a(98)= 966300; Comment: Sum of the terms; Crossref A120991; Keyword keyword 'fini' by Markus Voege, Jan 23 2014

STATUS

proposed

editing

#10 by Michel Marcus at Mon Jan 27 07:02:18 EST 2014

STATUS

editing

proposed

#9 by Michel Marcus at Mon Jan 27 07:01:56 EST 2014

CROSSREFS

Cf. A120991, A122539, A121964, A122736, A123044, A123106, A123105, A123104, A123142.

STATUS

proposed

editing

#8 by Michel Marcus at Fri Jan 24 00:09:58 EST 2014

STATUS

editing

proposed

#7 by Michel Marcus at Fri Jan 24 00:09:41 EST 2014

REFERENCES

G. Brinkmann, G. Caporossi and P. Hansen, "A Survey and New Results on Computer Enumeration of Polyhex and Fusene Hydrocarbons", J. Chem. Inf. Comput. Sci., vol. 43 (2003) 842-851. See Table 7 column 7 on page 848.

LINKS

G. Brinkmann, G. Caporossi and P. Hansen, <a href="http://dx.doi.org/10.1021/ci025526c">A Survey and New Results on Computer Enumeration of Polyhex and Fusene Hydrocarbons</a>, J. Chem. Inf. Comput. Sci., vol. 43 (2003) 842-851. See Table 7 column 7 on page 848.

EXTENSIONS

Series corrected a(97)=0 and a(98)= 966300; Comment: Sum of the terms; Crossref A120991; Keyword 'fini' by Markus Voege, Jan 23 2014

STATUS

proposed

editing

Discussion

Fri Jan 24

00:09

Michel Marcus: Moved ref to links

#6 by Markus Voege at Thu Jan 23 20:51:52 EST 2014

STATUS

editing

proposed